Mathematics High School

What is the supplement of an angle that
measures 21 degrees?

Answers

Answer 1

Answer:

159°

Step-by-step explanation:

Supplements equal a total of 180°. The expression for these types of problems would be

180-x

In this case, x would be 21. Plug it in to our expression.

180-21

159

Related Questions

Can you guys please help me I would appreciate it soooo much!!!!!!(Any question is ok I’m just confused and my teacher won’t help me:()

Answers

Answer:

a: scale factor is 2

b: from left to right: 3, 5

c: from top to bottom: 53, 82 I think

Step-by-step explanation:

The lateral surface area of a cube is 400cm². Its total surface area is
_______
a)600cm² b) 2400cm² c) 500cm² d) 650cm²

Answers

Answer:

Step-by-step explanation:

Lateral surface area of cube = 4a²

4a² = 400

   a² = 400÷4

  a² = 100

 a = √100 = √10*10

a = 10 cm

Total surface area = 6a²

                               = 6 * 10²

                               = 6* 100

                               = 600 cm²

Answer:

A

Step-by-step explanation:

I believe that I did this before.

My teacher asked me to round 12,800 to the nearest thousand. I think that the answer is 13,000. Did I round correctly?

Answers

Answer: Yes!

Step-by-step explanation:

You go from the 2 to the 8 in 12800. And sense the 8 is higher you change the 2 to a 3. So it makes 13000.

Let d(t) be the total number of .​

Answers

What is the question?

HELP HAVING BAD DAY Matt runs in the park every day at the average rate of c meters per minute.
During these 20 minutes, Matt covers 2400 meters. Use this information to write an equation.

Answers

answer is c=2400/20

Answer:

3c=2400/20

Step-by-step explanation:

slove for x in terms of p,m, and g

m=g-px​

Answers

Answer:

- (m-g)/p =x

Step-by-step explanation:

subtract g

m-g=-p(x)

divide by -p

-(m-g)/p =x

18 less than half a number is 6

Answers

Answer:

18<1/2x=6

Step-by-step explanation:

The equation for the given description is 18 - 0.5x = 6

Calculation of an equation:

Since 18 less than half a number is 6

So here we assume the number be x

Now the equation is

18 - 0.5x = 6

Learn more about number here:https://brainly.com/question/20292718

Soren is flying a kite on the beach the String forms a 45 angle with the ground if he has let our 16 made of line how high above the ground is the kite

Answers

Answer:

Hope the picture helps

Step-by-step explanation:

HELP ME PLS OMG -LS PLS PLS PLS ASAP ASAP PLS pls ASAP

Answers

I believe that the answer is false, true, true. Because you can’t solve this equation with the Pythagorean theorem, the solution s to the equation are x=4 and x=0, and finally if you wanted to you could subtract 6 from both sides first.

HELP ASAP WILL MARK BRAINLIEST
Public Libraries The number of libraries in the United
States from 1980 to 2000 can be modeled by the function
f(x) 5 38.9x 1 8685.8 where x is the number of years
since 1980.
a. Graph the function and identify its domain and range.
b. Find the number of libraries in the United States in 1996.
Explain how you found your answer.
c. When were there 9000 libraries in the United States?
Explain how you found your answer.

Answers

was this helpful??? i tried!

find the value of the variable (3p-6)

Answers

Answer:1/3

Step-by-step explanation:

3p- -5=6

- and - becomes +

3p+5=6

transpose 5 to the other side

3p=6-5

because on transposing + becomes -

3p=1

p=1/3

because multiplication changes to addition on transposing

please mark me as brainly .

complete the table and then graph the function .

Answers

Answer:

1,2,3,4,5

Step-by-step explanation:

solve the inequality.
-c > -19

Answers

Answer:

The answer is -18 and above (that's negative, basically -17,-16, -15,-14,-13,-12, -11, -10, -9, -8, -7, -6, -5,-4, -3, -2, -1).

Are Transformations used to create Similar Figures EXPLAIN
Answers:
Sometimes, Never, Always,

Answers

Answer:

sometimes

Step-by-step explanation:

Similar figures can also be a different size, as long as they're the same shape. So both rigid transformations and dilations can create similar figures.

Use one or more transformations to transform the pre-image (purple) onto the image (white).
Translate Rotate
* Reflect

(You cant tpuch the grey lines )

Answers

Answer:  This is a translation of 12 units to the right.

translation written (x,y) -> (x+12,y+0)

Step-by-step explanation:

Pick a point on the pre-image, and count how many squares it has to move to end up at the corresponding point in the image.

Add that value to the coordinate x  for horizontal movement, here +12.

Add to the coordinate y for vertical movement. here 0.

Please hurry!! I will mark brainliest! A student wrote four statements during math class. Which statement contains an error?
If Iesha traveled at an average speed of 38 miles per hour for 18 hours, she traveled 684 miles.
If Jason traveled at an average speed of 46 miles per hour for 16 hours, he traveled 736 miles.
If Charmaine traveled at an average speed of 54 miles per hour for 14 hours, she traveled 766 miles.
If Raphael traveled at an average speed of 68 miles per hour for 12 hours, he traveled 816 miles.

Answers

Answer: 2nd one

Step-by-step explanation:

Kyle purchased a plant that was 2 inches tall. The function h(t)=0.75t models the height of the plant t months after kyle purchased the plant. What is the meaning of h(11)

Answers

H(11) is the height multiplied by the time in months. This is taught in high school? I learned this is 7th

what is the slope of the line that passes through the point (10,3) (2,3) write your answer in simplest form

Answers

Answer:

0

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

so m= (3-3)/(2-10)

m=0/-8

since 0 divided by anything is 0, the answer is 0

On another training ride, Jana bikes 15 miles in 50 minutes. Explain how you
could find the number of miles she bikes in 1 hour

Answers

Answer:

18 miles per hour

Step-by-step explanation:

If you divide 15 (miles) into 50 groups (min) you will get Jana's speed per min and then you can multiply that speed by sixty to her the speed per hour.

I need help with my homework , Please.

Answers

Answer:

Yes they are congruent.

Step-by-step explanation:

Congruent triangles are triangles that are the same size and shape. Since the triangle was split in half, both sides of the triangle are congruent to each other. If you fold the triangle, both will allign perfectly on top of one another.

Angles of XYZ and ABC are the blank because the triangle are blank and corresponding angles are blank.

Answers

Answer:

the answer is your teacher just wanted to draw a triangle and get paid for it.

3x + 4y = 17 Solve for y Explain how to solve the problem please

Answers

Answer:

y = 17/4 - 3/4x

Step-by-step explanation:

[tex]3x + 4y = 17[/tex]

Subtract 3x from both sides.

[tex]4y = 17 - 3x[/tex]

Divide by 4 from both sides to isolate y.

[tex]y = \frac{17 - 3x}{4} [/tex]

1. (01.01 LC)
Which of the following is a rational number? (5 points)
√2, √3. √4. √5.

Answers

Answer:

root 4 is a rational number

Step-by-step explanation:

A rational number is any number that can be expressed as a fraction of two integers, say where q is not zero.

any one know the answer plz i will give brainlyest

Answers

Answer:

Step-by-step explanation:

P=2*9+2*4

P=18+8

P=26 in.

How do you factor this trinomial??
3x^2 - 5x - 28

Answers

Answer:

(3x+7)(x−4)

Step-by-step explanation:

What number is between 0.50 and 1.00

Answers

Answer:

0.75 is one answer.

Step-by-step explanation:

There are infinite numbers between those two numbers.

0.51, 0.52, 0.53. . . . so on.

Hope I helped :)

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A math test is made up of 7 problems each worth 10 points. There is no partial credit. Every test taker receives 30 points for taking the test. Enter a function to describe the test score determined by the number of correct answers. Then, graph the function.

Answers

Answer:

f(x)=10x+30

Step-by-step explanation                                                                                                x=0=30   x= 1=40  x= 2=50  x= 3=60   x=4=70  x= 5=80   x=6=90  x= 7=100

What most accurately describes the effects of tobacco use on the body?




A) Smokers are less likely to get lung cancer than nonsmokers.




B) Smokers Get more nose, throat, and lung infections than nonsmokers.

Answers

Answer:

A i believe

Step-by-step explanation:

Although nicotine is addictive, most of the severe health effects of tobacco use comes from other chemicals. Tobacco smoking can lead to lung cancer, chronic bronchitis, and emphysema. It increases the risk of heart disease, which can lead to stroke or heart attack.People who smoke cigarettes are 15 to 30 times more likely to get lung cancer or die from lung cancer than people who do not smoke. Even smoking a few cigarettes a day or smoking occasionally increases the risk of lung cancer.

The answer here is B, however the problem seems to be kinda obvious?

The ratio of boys to girls in Miss Smith’s class is 3 to 5. There are 15 girls in the class. What is the total number of students in Miss Smith’s class?

Answers

Answer:

9 boys

Step-by-step explanation:

15/5

=3

3*3

=9


Solve for x:
(x + 20)/2
= 3x

A: x = 10
B: x = 4
C: x = -14
D: x= -17

Answers

Answer:

x=4

Step-by-step explanation:

Answer:

B) x=4

Step-by-step explanation:

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